/* ==========================================================================
   State Builders Canada — Core Stylesheet
   Design language: architectural blueprint. Charcoal ink on cool paper,
   steel-blue + wheat-gold accents, dimension-line dividers, drawing
   sheet numbers (SK-01, SK-02...) as a structural device.
   ========================================================================== */

:root {
  --ink: #1b1d1c;
  --ink-soft: #363835;
  --paper: #edeeea;
  --paper-raised: #f5f5f2;
  --paper-line: #d3d5cd;
  --steel: #35566e;
  --steel-dark: #223b4d;
  --wheat: #c89b3c;
  --concrete: #7d7b74;
  --rust: #b4502e;
  --white: #ffffff;

  --font-display: "Zilla Slab", Georgia, serif;
  --font-body: "Inter", -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: "IBM Plex Mono", "Courier New", monospace;

  --max-width: 1200px;
  --edge: clamp(20px, 5vw, 64px);
}

*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }

a {
  color: var(--steel);
  text-decoration: none;
}
a:hover { color: var(--steel-dark); }

:focus-visible {
  outline: 2px solid var(--steel);
  outline-offset: 3px;
}

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.1;
  margin: 0 0 0.5em;
  color: var(--ink);
}

p { margin: 0 0 1em; }

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--edge);
}

/* -------------------------------------------------------------------------
   Blueprint grid background
   ------------------------------------------------------------------------- */
.blueprint-bg {
  background-image:
    linear-gradient(var(--paper-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--paper-line) 1px, transparent 1px);
  background-size: 40px 40px;
  background-position: -1px -1px;
}

.blueprint-bg-dark {
  background-color: var(--ink);
  background-image:
    linear-gradient(rgba(237,238,234,0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(237,238,234,0.08) 1px, transparent 1px);
  background-size: 40px 40px;
  background-position: -1px -1px;
}

/* Corner registration marks — small L-shaped crop marks, echo drafting sheets */
.corner-marks { position: relative; }
.corner-marks::before,
.corner-marks::after,
.corner-marks .cm-tl,
.corner-marks .cm-br {
  content: "";
  position: absolute;
  width: 18px;
  height: 18px;
  pointer-events: none;
}
.corner-marks::before {
  top: 0; left: 0;
  border-top: 1.5px solid var(--concrete);
  border-left: 1.5px solid var(--concrete);
}
.corner-marks::after {
  bottom: 0; right: 0;
  border-bottom: 1.5px solid var(--concrete);
  border-right: 1.5px solid var(--concrete);
}

/* Drawing sheet number label, e.g. "SK-01 / SITE OVERVIEW" */
.sheet-label {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--concrete);
  display: inline-flex;
  align-items: center;
  gap: 0.6em;
  margin-bottom: 1.5rem;
}
.sheet-label::before {
  content: "";
  width: 28px;
  height: 1px;
  background: var(--wheat);
  display: inline-block;
}

/* Dimension-line section divider */
.dim-divider {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--concrete);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin: 0 0 2.5rem;
}
.dim-divider .dim-line {
  flex: 1;
  position: relative;
  height: 1px;
  background: var(--paper-line);
}
.dim-divider .dim-line::before,
.dim-divider .dim-line::after {
  content: "";
  position: absolute;
  top: -4px;
  width: 1px;
  height: 9px;
  background: var(--paper-line);
}
.dim-divider .dim-line::before { left: 0; }
.dim-divider .dim-line::after { right: 0; }

/* -------------------------------------------------------------------------
   Header / Nav
   ------------------------------------------------------------------------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(237,238,234,0.92);
  backdrop-filter: blur(6px);
  border-bottom: 1px solid var(--paper-line);
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 18px;
  padding-bottom: 18px;
}

.logo {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.25rem;
  color: var(--ink);
  letter-spacing: 0.01em;
  display: flex;
  flex-direction: column;
  line-height: 1;
}
.logo span.sub {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.22em;
  color: var(--wheat);
  margin-top: 5px;
  font-weight: 500;
}

.main-nav ul {
  list-style: none;
  display: flex;
  gap: 2.2rem;
  margin: 0;
  padding: 0;
}

.main-nav a {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-soft);
  position: relative;
  padding-bottom: 4px;
}

.main-nav a:hover,
.main-nav a[aria-current="page"] {
  color: var(--steel);
}

.main-nav a[aria-current="page"]::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: -2px;
  height: 2px;
  background: var(--wheat);
}

.nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--ink);
  border-radius: 2px;
  width: 40px;
  height: 40px;
  cursor: pointer;
  position: relative;
}
.nav-toggle span,
.nav-toggle span::before,
.nav-toggle span::after {
  content: "";
  position: absolute;
  left: 9px; right: 9px;
  height: 1.5px;
  background: var(--ink);
}
.nav-toggle span { top: 19px; }
.nav-toggle span::before { top: -6px; }
.nav-toggle span::after { top: 6px; }

@media (max-width: 780px) {
  .nav-toggle { display: block; }
  .main-nav {
    position: absolute;
    top: 100%;
    left: 0; right: 0;
    background: var(--paper);
    border-bottom: 1px solid var(--paper-line);
    display: none;
  }
  .main-nav.open { display: block; }
  .main-nav ul {
    flex-direction: column;
    gap: 0;
    padding: 8px var(--edge) 20px;
  }
  .main-nav li { border-top: 1px solid var(--paper-line); }
  .main-nav a { display: block; padding: 14px 0; }
}

/* -------------------------------------------------------------------------
   Buttons
   ------------------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 14px 26px;
  border: 1px solid var(--ink);
  border-radius: 2px;
  cursor: pointer;
  transition: background 0.15s ease, color 0.15s ease, border-color 0.15s ease;
}

.btn-primary {
  background: var(--steel);
  border-color: var(--steel);
  color: var(--white);
}
.btn-primary:hover { background: var(--steel-dark); border-color: var(--steel-dark); color: var(--white); }

.btn-outline {
  background: transparent;
  color: var(--ink);
}
.btn-outline:hover { background: var(--ink); color: var(--paper); }

.btn-outline-light {
  background: transparent;
  color: var(--paper);
  border-color: rgba(237,238,234,0.5);
}
.btn-outline-light:hover { background: var(--paper); color: var(--ink); }

/* -------------------------------------------------------------------------
   Hero
   ------------------------------------------------------------------------- */
.hero {
  position: relative;
  padding: 110px 0 90px;
  overflow: hidden;
}

.hero-eyebrow {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--steel);
  margin-bottom: 1.2rem;
}

.hero h1 {
  font-size: clamp(2.4rem, 6vw, 4.4rem);
  max-width: 14ch;
  margin-bottom: 0.4em;
}

.hero .lede {
  font-size: 1.15rem;
  color: var(--ink-soft);
  max-width: 46ch;
  margin-bottom: 2.2rem;
}

.hero-actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

/* -------------------------------------------------------------------------
   Stat / dimension callouts
   ------------------------------------------------------------------------- */
.stat-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid var(--paper-line);
  border-bottom: 1px solid var(--paper-line);
}
.stat-strip .stat {
  padding: 2.4rem var(--edge);
  border-left: 1px solid var(--paper-line);
  text-align: left;
}
.stat-strip .stat:first-child { border-left: none; }
.stat-num {
  font-family: var(--font-display);
  font-size: 2.6rem;
  font-weight: 600;
  color: var(--steel);
  display: block;
  line-height: 1;
  margin-bottom: 0.4rem;
}
.stat-label {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--concrete);
}

@media (max-width: 780px) {
  .stat-strip { grid-template-columns: repeat(2, 1fr); }
  .stat-strip .stat:nth-child(3) { border-left: none; }
}

/* -------------------------------------------------------------------------
   Section rhythm
   ------------------------------------------------------------------------- */
.section {
  padding: 5.5rem 0;
}
.section-head {
  max-width: 60ch;
  margin-bottom: 3rem;
}
.section-head h2 {
  font-size: clamp(1.8rem, 3.4vw, 2.6rem);
}
.section-head .lede {
  color: var(--ink-soft);
  font-size: 1.05rem;
}

/* -------------------------------------------------------------------------
   Cards: services / projects
   ------------------------------------------------------------------------- */
.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--paper-line);
  border: 1px solid var(--paper-line);
}
.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: var(--paper-line);
  border: 1px solid var(--paper-line);
}
@media (max-width: 900px) {
  .grid-3 { grid-template-columns: 1fr; }
  .grid-2 { grid-template-columns: 1fr; }
}

.card {
  background: var(--paper-raised);
  padding: 2.4rem 2rem;
}

.card .card-index {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--wheat);
  letter-spacing: 0.1em;
  margin-bottom: 1rem;
  display: block;
}

.card h3 {
  font-size: 1.3rem;
  margin-bottom: 0.6rem;
}

.card p {
  color: var(--ink-soft);
  font-size: 0.95rem;
}

.icon-line {
  width: 44px;
  height: 44px;
  margin-bottom: 1.4rem;
  stroke: var(--steel);
  fill: none;
  stroke-width: 1.4;
}

/* Project card photo placeholder */
.photo-placeholder {
  aspect-ratio: 4 / 3;
  background:
    repeating-linear-gradient(45deg, rgba(53,86,110,0.08) 0 2px, transparent 2px 14px),
    var(--paper-raised);
  border: 1px solid var(--paper-line);
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 1rem;
}
.photo-placeholder .ph-label {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.06em;
  color: var(--concrete);
  text-transform: uppercase;
  line-height: 1.6;
}

.project-card {
  background: var(--paper-raised);
  display: flex;
  flex-direction: column;
}
.project-card .project-info {
  padding: 1.6rem 1.8rem 2rem;
}
.project-tag {
  font-family: var(--font-mono);
  font-size: 0.66rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--steel);
  border: 1px solid var(--steel);
  border-radius: 2px;
  padding: 3px 9px;
  display: inline-block;
  margin-bottom: 0.9rem;
}
.project-card h3 { font-size: 1.2rem; margin-bottom: 0.3rem; }
.project-meta {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--concrete);
  letter-spacing: 0.03em;
}

/* -------------------------------------------------------------------------
   Dark band (CTA / footer transition)
   ------------------------------------------------------------------------- */
.band-dark {
  background: var(--ink);
  color: var(--paper);
}
.band-dark h2, .band-dark h3, .band-dark h4 { color: var(--paper); }
.band-dark p { color: rgba(237,238,234,0.75); }
.band-dark .sheet-label { color: rgba(237,238,234,0.55); }
.band-dark .dim-divider { color: rgba(237,238,234,0.4); }
.band-dark .dim-divider .dim-line,
.band-dark .dim-divider .dim-line::before,
.band-dark .dim-divider .dim-line::after {
  background: rgba(237,238,234,0.2);
}

.cta-band {
  padding: 5rem 0;
  text-align: center;
}
.cta-band h2 { max-width: 20ch; margin: 0 auto 0.6em; }
.cta-band .lede { max-width: 46ch; margin: 0 auto 2rem; }
.cta-band .hero-actions { justify-content: center; }

/* -------------------------------------------------------------------------
   Footer
   ------------------------------------------------------------------------- */
.site-footer {
  background: var(--ink);
  color: rgba(237,238,234,0.75);
  padding: 4rem 0 2rem;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 2.5rem;
  padding-bottom: 3rem;
  border-bottom: 1px solid rgba(237,238,234,0.15);
}
@media (max-width: 780px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
.footer-grid h4 {
  color: var(--paper);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 1.1rem;
}
.footer-grid ul { list-style: none; margin: 0; padding: 0; }
.footer-grid li { margin-bottom: 0.6rem; font-size: 0.92rem; }
.footer-grid a { color: rgba(237,238,234,0.75); }
.footer-grid a:hover { color: var(--wheat); }
.footer-logo {
  font-family: var(--font-display);
  color: var(--paper);
  font-size: 1.3rem;
  margin-bottom: 0.8rem;
}
.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 1.6rem;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.04em;
  color: rgba(237,238,234,0.5);
  flex-wrap: wrap;
  gap: 10px;
}

/* -------------------------------------------------------------------------
   Page hero (inner pages, smaller than home)
   ------------------------------------------------------------------------- */
.page-hero {
  padding: 80px 0 60px;
}
.page-hero h1 {
  font-size: clamp(2.1rem, 4.6vw, 3.2rem);
  max-width: 18ch;
}
.page-hero .lede {
  max-width: 52ch;
  color: var(--ink-soft);
  font-size: 1.05rem;
}

/* -------------------------------------------------------------------------
   Forms
   ------------------------------------------------------------------------- */
.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.4rem;
}
.form-grid .full { grid-column: 1 / -1; }
@media (max-width: 700px) {
  .form-grid { grid-template-columns: 1fr; }
}
label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--concrete);
  margin-bottom: 0.5rem;
}
input, textarea, select {
  width: 100%;
  font-family: var(--font-body);
  font-size: 0.98rem;
  padding: 12px 14px;
  border: 1px solid var(--paper-line);
  background: var(--paper-raised);
  color: var(--ink);
  border-radius: 2px;
}
input:focus, textarea:focus, select:focus {
  outline: 2px solid var(--steel);
  outline-offset: 1px;
}
textarea { resize: vertical; min-height: 130px; }

/* -------------------------------------------------------------------------
   Contact info list / map
   ------------------------------------------------------------------------- */
.contact-info-list {
  list-style: none;
  margin: 0 0 2rem;
  padding: 0;
}
.contact-info-list li {
  padding: 1.1rem 0;
  border-top: 1px solid var(--paper-line);
}
.contact-info-list li:last-child { border-bottom: 1px solid var(--paper-line); }
.contact-info-list .ci-label {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--wheat);
  display: block;
  margin-bottom: 0.3rem;
}
.map-frame {
  border: 1px solid var(--paper-line);
  width: 100%;
  height: 340px;
}

/* -------------------------------------------------------------------------
   Utility
   ------------------------------------------------------------------------- */
.reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.text-center { text-align: center; }
.mt-0 { margin-top: 0; }

.badge-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 1.5rem 0 0;
  padding: 0;
  list-style: none;
}
.badge-list li {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  border: 1px solid var(--paper-line);
  padding: 6px 12px;
  border-radius: 2px;
  color: var(--ink-soft);
}